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A pressure vacuum breaker (PVB) is a critical backflow prevention device designed to keep polluted water from entering your home’s clean water lines. In many Fredericksburg and Texas Hill Country homes, PVBs are required for sprinkler systems, irrigation lines, and certain outdoor water connections where fertilizers, pesticides, or bacteria could be present.
Without a pressure vacuum breaker, sudden drops in water pressure—such as during a water main break or heavy system demand—can cause contaminated water to siphon backward into the potable water supply. This is known as backflow, and it can affect not just your home, but the broader municipal water system.
Local plumbing codes often require pressure vacuum breakers to be professionally installed and maintained to ensure proper protection. At 72 Degrees Air Conditioning, Heating, and Plumbing, we install and service pressure vacuum breakers to meet code requirements and safeguard Hill Country homes from backflow risks. Learn more about our expert backflow prevention services and how we help keep your water safe.